OPV, oral poliovirus vaccine, Sabin vaccine, TOPV, trivalent live oral poliomyelitis vaccine - an oral poliovirus vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis

IPV, Salk vaccine - a poliovirus vaccine consisting of inactivated polio virus that is injected subcutaneously to provide immunity to poliomyelitis

vaccine, vaccinum - immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies